Hearth and Home Technologies GBST4336I, GBFL4136I owner manual Negative Pressure

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E. Negative Pressure

WARNING! Asphyxiation Risk! Negative pressure can cause spillage of combustion fumes and soot. Fireplace needs to draft properly for safety.

Draft is the pressure difference needed to vent fireplaces successfully. Considerations for successful draft include:

•Preventing negative pressure

•Location of fireplace and chimney

Negative pressure results from the imbalance of air available for the fireplace to operate properly. Causes for this imbalance include:

•Exhaust fans (kitchen, bath, etc.)

•Range hoods

•Combustion air requirements for furnaces, water heaters and other combustion appliances

•Clothes dryers

•Location of return-air to furnace or air conditioning

•Imbalances of the HVAC air handling system

•Upper level air leaks (recessed lighting, attic hatch opening, duct leaks)

To minimize the effects of negative air pressure, the fol- lowing must be considered:

•Install the fresh air kit. Install the intake on the side of the house towards prevailing winds during the heating season.

•Ensure adequate outdoor air is supplied for combustion appliances and exhaust equipment.

•Ensure furnace and air conditioning return vents are not located in the immediate vicinity of the fireplace.

•Avoid installing the fireplace near doors, walkways or small isolated spaces.

•Recessed lighting should be of “sealed can” design; attic hatches weather stripped or sealed; and attic mounted ductwork and air handler joints and seams taped or sealed.

•Basement installations should be avoided due to stack effect. Stack effect creates negative pressure in lower levels. Hearth & Home Technologies recommends the use of direct vent fireplaces in basements.

Location of the fireplace and chimney will affect perfor- mance. As shown in Figure 4.2, the chimney should:

•Be installed through the warm space enclosed by the building envelope. This helps to produce more draft, especially during lighting and die-down of the fire.

•Penetrate the highest part of the roof. This minimizes the effects of wind turbulence.

•Be located away from trees, adjacent structures, uneven roof lines and other obstructions.

Offsets can restrict draft so their use should be minimized. Consider the fireplace location relative to floor and ceiling and attic joists.

Recommended Recommended

Location Location

Marginal

Location

Location

Not

Recommended

Location NOT

Recommended

Windward

Leeward

Multi-level Roofs

Figure 4.2

Heatilator • GBST4336I, GBFL4136I • 2135-900 Rev. B • 3/08

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Contents What to do if you smell gas ModelHomeowner Reference Information CongratulationsUser Guide Table of ContentsAppliance Setup TroubleshootingReference Materials Limited Lifetime Warranty Gas Appliance Fireplace Limited Lifetime WarrantyListing and Code Approvals Gas Fireplace Safety Operating Instructions User GuideYour Fireplace Decorative Doors and Fronts Fixed Glass AssemblyRemote Controls, Wall Controls and Wall Switches Clear SpaceFinal inspection by Lighting Instructions IPIAfter Fireplace is Lit Frequently Asked QuestionsMaintenance and Service Firebox Maintenance Tasks-Qualified Service TechnicianGasket Seal and Glass Assembly Inspection LogsTypical Appliance System Getting StartedDesign and Installation Considerations Tools and Supplies NeededInspect Appliance and Components Negative Pressure Selecting Appliance Location Framing and ClearancesClearances Constructing the Appliance ChaseGBFL4136I GBFL4136I Mantel Projection Mantel and Wall Projections GBST4336I Mantel ProjectionNon-Combustible Zone Combustible Mantel Legs or Wall ProjectionsVent Termination Minimum Clearances Termination LocationsModels Pipe Size Vent Information and DiagramsVent Guidelines Vent System ConfigurationVertical Penetration Framing Vent Clearances and FramingPipe Clearances to Combustibles Wall and Ceiling Penetration FramingInstalling Outside Air Kit Damper Assem- bly Appliance PreparationGas and Electrical Connections Proper Positioning, Leveling And Securing Securing and Leveling the ApplianceAttaching Vent to Firebox Installing Vent PipeAssembly of Vent Sections Install Attic Insulation ShieldGas Connection Gas InformationFuel Conversion Gas PressureElectrical Information Wiring RequirementsIntellifire Ignition System Wiring Optional Accessories RequirementsHeatilator GBST4336I, GBFL4136I 2135-900 Rev. B Electrical Service and RepairJunction Box Detail Junction Box InstallationGBFL4136I Pier Mantel Projection FinishingFacing Material Noncombustible Facing DiagramSplatter Guard To install the Splatter GuardTo Remove the Splatter Guard To Close the Lower Access PanelAppliance Setup Models GDST4336I, GDFL4136I, GDCL4136I, GBST4336I, GBFL4136I Install the Log AssemblyÎModel GDCR4136I Placement of Log #2Burner Install Trim Kits and Surrounds Air Shutter SettingAir Shutter Settings Troubleshooting Symptom Possible Cause Corrective ActionIntellifire Ignition System Intellifire Ignition System Reference Materials Appliance Dimension DiagramFront View Log Set Assembly Service PartsPart number list on following At Depot GBST4336IGBFL4136I Stocked Service Parts ListGBST4336I , GBFL4136I IPI Valve AssemblyContact Information
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GBST4336I, GBFL4136I specifications

Hearth and Home Technologies has made significant strides in the realm of contemporary heating solutions with their innovative products, the GBST4336I and GBFL4136I fireplace inserts. These models exemplify a blend of cutting-edge technology, aesthetic design, and user-friendly features aimed at enhancing the home heating experience.

The GBST4336I, known for its striking design and powerful performance, offers a modern solution to traditional heating methods. This model showcases a large viewing area, providing an expansive glimpse into the mesmerizing flames. Its efficient combustion system allows for exceptional heat output while minimizing emissions, making it an eco-friendly choice for homeowners. The insert is designed to fit seamlessly into most existing fireplace spaces, significantly enhancing the ambiance and warmth of any living area.

On the other hand, the GBFL4136I model is tailored for those seeking a more traditional wood-burning experience combined with modern efficiency. This insert features an impressive firebox capacity, allowing users to load more wood for longer burn times. The innovative air wash system keeps the glass clean, ensuring an unobstructed view of the fire. Additionally, the optional blower enhances heat circulation throughout the room, making it perfect for large spaces.

Both models are equipped with advanced technologies that contribute to their reliability and performance. The adjustable burn settings allow users to regulate heat output based on their specific needs, making these inserts versatile for different settings. Furthermore, they include the latest in safety features such as automatic shut-off capabilities, ensuring peace of mind while enjoying the warmth of the fire.

Aesthetically, both the GBST4336I and GBFL4136I come with customizable options, allowing homeowners to choose from various trim and finish choices to fit their home décor. The modern design elements, combined with classic fireplace features, ensure that these inserts not only heat the space but also serve as a stunning focal point in any room.

In summary, Hearth and Home Technologies' GBST4336I and GBFL4136I fireplace inserts stand out for their exceptional design, advanced technology, and practicality. They cater to the needs of modern homeowners by offering efficient heating solutions while maintaining an inviting and stylish atmosphere. With features that prioritize performance and safety, these inserts are an excellent choice for anyone looking to enhance their living space with the warmth and beauty of a fire.
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